Gaya APA
Port Engineering Per Bruun. (1973).
Texas:
Gulf Publishing Company.
Gaya Chicago
Port Engineering Per Bruun.
.
Texas:
Gulf Publishing Company,
1973.
Text.
Gaya MLA
Port Engineering Per Bruun.
.
Texas:
Gulf Publishing Company,
1973.
Text.
Gaya Turabian
Port Engineering Per Bruun.
Texas:
Gulf Publishing Company,
1973.
Print.